Guest:Christian Ott (CalTech). We discussed the death of massive stars, called supernova explosions, and how we can try to understand them with computer simulations. Here is a link to the YouTube channel mentioned during the podcast: SXS Collaboration YouTube Channel.

Guest: George Helou, Executive director of the Infrared Processing and Analysis Center at CalTech, and deputy director of the Spitzer Infrared Telescope Science team. We discussed his scientific research: Space infrared astronomy and galaxies.